@book{bhlpg12019988, title = {Transactions of the Natural History Society of Glasgow : (including the proceedings of the society) }, volume = {new ser.:v.7 (1902-1905)}, url = {https://www.biodiversitylibrary.org/page/12019988}, publisher = {Natural History Society of Glasgow}, author = {Natural History Society of Glasgow. }, year = {1902}, pages = {Page 303}, } @book{bhlpg12455531, title = {Vollständiger Blütenkalender der deutschen Phanerogamen-Flora. Unter Zugrundelegung von Dr. Kittel's Taschenbuch der Flora Deutschlands }, volume = {v.1}, url = {https://www.biodiversitylibrary.org/page/12455531}, publisher = {Hahn}, author = {Beiche, W. Eduard. }, year = {1872}, pages = {Page 350}, } @book{bhlpg9770579, title = {Zentralblatt für allgemeine und experimentelle Biologie }, volume = {Bd. 1 (1910-1911)}, url = {https://www.biodiversitylibrary.org/page/9770579}, publisher = {S. Hirzel}, author = {}, year = {1910}, }